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来源: 戏雨飞鹰 于 2010-04-13 21:38:41 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (61 bytes)
回答: to make it elaborate, 由 戏雨飞鹰 于 2010-04-13 21:10:57

勾股定理真的from第九章? I got to sleep. u take care.

所有跟帖： 

• 勾股 -bearsback- ♂ 给 bearsback 发送悄悄话 bearsback 的博客首页 (19 bytes) () 04/13/2010 postreply 21:52:27

请您先登陆，再发跟帖！